Gangus

##path you want the script to execute on, please note the script does not work on the parent item
$rootItem = Get-Item -Path master:"A Valid Sitecore Path"

##grab the guids of your workflow states and the workflow itself and make variables out of them
$desiredWorkflowStateDraft = "a workflow State"
$desiredWorkflowStateAwaitingApproval = "another workflow state"
$desiredWorkflowStateApproved = "another another workflow state"
$desiredWorkflow = "workflow guid"
$desiredDefaultWorkflow = "workflow guid"